header {
  width: 100%;
  padding: 0 10px;
  position: fixed;
  background-color: #ffc107;
  z-index: 1;
  .head {
    height: 50px;
    line-height: 50px;
    nav .link {
      position: relative;
    }
    nav .link:hover {
      animation: scale 0.5s;
    }
    /* 缩放的动画 */
    @keyframes scale {
      0% {
        transform: scale(1);
      }

      50% {
        transform: scale(1.2);
      }

      100% {
        transform: scale(1);
      }
    }
    nav .link::after {
      content: "";
      /* 子元素绝对定位 */
      position: absolute;
      width: 0;
      height: 3px;
      background-color: #fff;
      bottom: 5px;
      left: 50%;
    }

    /* 点击时高亮效果 */
    nav .active::after {
      transition: all 0.5s;
      content: "";
      /* 子元素绝对定位 */
      position: absolute;
      width: 100%;
      height: 3px;
      background-color: #ff8200;
      bottom: 5px;
      left: 0;
    }
    /* active */
    nav .active {
      color: black;
      font-weight: bold;
      font-size: 18px;
    }
  }
}

.carousel {
  width: 100%;
  position: relative;
  margin: 0 auto; /* 水平居中 */
  overflow: hidden; /* 隐藏超出部分 */
}
.swiper {
  width: 100%;
  display: flex;
  transition: transform 0.5s ease;
  padding: 15px;
}
.swiper-image {
  display: none;
  width: 100%;
  border-radius: 10px;
}
.swiper-image:first-child {
  display: block;
}
.swiper-dots {
  text-align: center;
  position: absolute;
  bottom: 15px;
  width: 100%;
  display: flex;
  justify-content: center;
}
.swiper-dot {
  cursor: pointer;
  height: 8px;
  width: 8px;
  margin: 0 5px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}
.swiper-dot.active {
  background-color: #717171;
}

.item {
  padding: 15px;
  border-bottom: 1px solid #f4f4f4;
  img {
    width: 40%;
    border-radius: 10px;
  }
}
.right {
  margin-left: 10px;
  line-height: 1.5;
}
